单项选择题
______ a sudden explosion, there is a real probability ...
单项选择题______ a sudden explosion, there is a real probability that these kids could be injured.
Smith did the only ______ thing by asking the Indians f...
单项选择题Smith did the only ______ thing by asking the Indians for food and shelter in their village.
Mary was much kinder to her youngest child than she was...
单项选择题Mary was much kinder to her youngest child than she was to the others, ______ , of course, made the others jealous.
